Palestinians in your country: what to expect?
With a war looming and probably lots of Palestinian refugee applications on the horizon, I thought it would be wise to summarize what we have so far about them. The…
Carl Brigham on intelligence (1923): a fake quote
On various socialist and egalitarian writings as well as the academic literature, one can find attacks on intelligence testing due to the bad early guys. One common example is Carl…
Not just dysgenic outcomes, but dysgenic intentions too
I have a new study out with Ed Dutton: Kirkegaard, E. O. W. & Dutton, E. Intelligence and Anti-Natalist Intentions on Dating Sites: An Analysis of the OKCupid Dataset. In…
Ancient genomes discussion with Davide Piffer & Emil at Lake Como
As announced late August, here is the promised discussion with Davide Piffer on ancient genomics: where we are, and where we hope to go. 1 hour and 7 minutes. https://www.youtube.com/watch?v=8_XbrzSfEz4…
How to make psychology items (questions) with ChatGPT4
In the comments on my last post on measuring intelligence in online surveys, PaleoPolak asked: > It is fairly easy to make new vocabulary items for most languages using the…
Measuring intelligence online: best practices
Over the years I have been involved in quite a number of studies that measured intelligence (g) online in some way or another. Since people occasionally ask what is a…
Polygenic score validity and group differences
Probably the most common objection to studies of polygenic scores for education/intelligence for race differences is that the polygenic scores are less valid for non-European populations. For instance, here's a…
Of course it matters whether group differences are genetic in origin
It is sometimes said that as long as we accept the various group differences in society, it doesn't matter what the etiology really is. For instance, here's Richard Hanania: https://twitter.com/RichardHanania/status/1688213682998931456…
Embryo selection can become the norm
In discussion of my recent book review of The Past is a Future Country: The Coming Conservative Demographic Revolution, J.O.A. Rayner-Hilles questioned whether embryo selection could really become powerful enough…
Fall of the Roman Empire, polygenic score edition
We have a new study out: Piffer, D., Dutton, E., & Kirkegaard, E. O. W. (2023). Intelligence Trends in Ancient Rome: The Rise and Fall of Roman Polygenic Scores. OpenPsych,…
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